Spring GDS 25th Anniversary
A logistics company that ships to 190 countries built something to ship to itself.
Usability
What is usability?
Usability is how easily and effectively people can use a product to do what they came to do. It is measured, not assumed. Can a first-time user complete the task? How long does it take? How many mistakes do they make, and can they recover? A usable product gets out of the way; an unusable one makes people work to overcome it.
Usability is broader than how something looks. It covers learnability, efficiency, memorability, error rate, and satisfaction. Usability testing is how teams find out where a product falls short: real people attempt real tasks while observers watch where they hesitate, misread, or give up. A usability study can be a handful of sessions or a larger usability analysis, and even five users will surface most of the serious problems. When someone abandons a checkout because they cannot find the discount field, that is a usability failure, and watching one person struggle through it usually reveals the fix faster than any opinion in a meeting.
Usability and accessibility overlap but are not the same. Accessibility is about whether people, including those with disabilities, can use a product at all. Usability is about how smoothly anyone can. A product should aim for both, since an interface that is hard to use is failing some users and excluding others.
Usability at Dallonses
We treat usability as evidence, not taste. Through usability testing and user research, we watch real people attempt real tasks and let what they do, not what they say, guide the design. It keeps the user experience honest and stops a product from shipping problems that only show up once customers hit them.
This is work we do with clients, in the open. We run the usability study, share the recordings, and decide what to change together, then test again to confirm it worked. We have done this on complex products for global brands, and the loop is always the same: observe, fix, re-test, until the interface holds up under real use.
Not sure where your product trips people up? Let's test it with real users.
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